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The seismic performance of structural steel buildings in the 2010/2011 Christchurch Earthquake series and the 2016 Kaikoura earthquake: lessons learned, ongoing research and needs of industry
(New Zealand Society for Earthquake Engineering, 2020-04-22)
At least 20 earthquakes greater than Ms 7 have taken place in New Zealand since 1850. The recent earthquake that occurred in Kaikoura (Ms 7.8) is considered one of the largest earthquakes since 1855, but Christchurch's ...
Concept design of a steel frames post-disaster shelter utilising containers
(New Zealand Society for Earthquake Engineering, 2020-04-22)
Nowadays, numerous earthquakes happen every year with many resulting in large potential aftershocks. Tents and portable dwellings are widely used as emergency shelters. However, tents can only be used for days or weeks, ...
Developing hysteresis curves for the optimised sliding hinge joint with asymmetric friction connections
(New Zealand Society for Earthquake Engineering, 2020-04-22)
The semi-rigid Sliding Hinge Joint (SHJ) beam-column connection for steel moment resisting frames is a successful low damage system that shows a lot of promise in earthquake engineering. It allows for relative beam-column ...
A statistical approach to determine the seismic design parameters in the asymmetric sliding hinge joint using Belleville Springs
(New Zealand Society for Earthquake Engineering, 2020-04-22)
The design philosophy has changed over the past 20 years in seismic engineering. Structures moved from failing in a controlled ductile manner, to low damage design, to more recently, nearly no damage design (S. Ramhormozian, ...
The Optimised Sliding Hinge Joint (OSHJ): Design, Detail, and Implementation in Practice
(New Zealand Society for Earthquake Engineering, 2021-04-14)
The Optimised Sliding Hinge Joint (OSHJ) is a low-damage, resilient, versatile, and cost effective seismic resisting system developed primarily for Moment Resisting Steel Framed (MRSF) buildings. The OSHJ is the optimized ...
Three-storey Configurable Steel Framed Building Incorporating Friction Based Energy Dissipaters: Structural Configuration and Instrumentation
(New Zealand Society for Earthquake Engineering, 2021-04-14)
A 9 m high, full-scale three-storey configurable steel frame composite floor building incorporating friction based connections is being tested using two linked bi-directional shake tables at the International joint research ...
An attempt to determine a relationship between a mass-spring-friction damper single-degree-of-freedom system’s equivalent viscous damping ratio and its corresponding friction coefficient
(New Zealand Society for Earthquake Engineering, 2021-04-14)
Damping forces are always present in real structures, occurring in several different forms, making them challenging to model expressly. Damping is often assumed to be viscous in nature, due to the simplicity of the ...
Determining the realistic rotational stiffness of column base connections in steel seismic resisting systems
(New Zealand Society for Earthquake Engineering, 2021-04-14)
The New Zealand Steel Structures Standard, NZS 3404, provides an upper and lower rotational stiffness boundary for fixed and pinned column base connections for structural analysis, respectively. These boundaries aim to ...
Finite Element Convergence Study of the Asymmetric Friction Connection (AFC) in the Optimised Sliding Hinge Joint (OSHJ)
(New Zealand Society for Earthquake Engineering, 2023-04-19)
The Optimised Sliding Hinge Joint (OSHJ) is a cost-effective, low damage seismic resisting beam-column connection developed for Moment Resisting Steel Framed (MRSF) buildings. The OSHJ is the optimised version of the ...
Seismic application of fillet and partial penetration butt welds
(New Zealand Society for Earthquake Engineering, 2023-04-19)
Fillet and partial (incomplete) penetration butt welds are the most cost-effective weld details for structural steel connections. Correctly sized and executed, double-sided, balanced fillet welds and partial penetration ...